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-rw-r--r--drivers/mtd/mtd_blkdevs.c3
-rw-r--r--drivers/mtd/nand/davinci_nand.c6
-rw-r--r--drivers/mtd/ubi/block.c8
-rw-r--r--drivers/mtd/ubi/cdev.c2
-rw-r--r--drivers/mtd/ubi/fastmap.c4
-rw-r--r--drivers/mtd/ubi/wl.c6
6 files changed, 21 insertions, 8 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 0b2ccb68c0d..4dbfaee9aa9 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -82,8 +82,7 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr,
block = blk_rq_pos(req) << 9 >> tr->blkshift;
nsect = blk_rq_cur_bytes(req) >> tr->blkshift;
-
- buf = req->buffer;
+ buf = bio_data(req->bio);
if (req->cmd_type != REQ_TYPE_FS)
return -EIO;
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 4615d79fc93..b922c8efcf4 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -523,6 +523,7 @@ static struct nand_ecclayout hwecc4_2048 = {
#if defined(CONFIG_OF)
static const struct of_device_id davinci_nand_of_match[] = {
{.compatible = "ti,davinci-nand", },
+ {.compatible = "ti,keystone-nand", },
{},
};
MODULE_DEVICE_TABLE(of, davinci_nand_of_match);
@@ -581,6 +582,11 @@ static struct davinci_nand_pdata
of_property_read_bool(pdev->dev.of_node,
"ti,davinci-nand-use-bbt"))
pdata->bbt_options = NAND_BBT_USE_FLASH;
+
+ if (of_device_is_compatible(pdev->dev.of_node,
+ "ti,keystone-nand")) {
+ pdata->options |= NAND_NO_SUBPAGE_WRITE;
+ }
}
return dev_get_platdata(&pdev->dev);
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 7ff473c871a..8457df7ec5a 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -253,7 +253,7 @@ static int do_ubiblock_request(struct ubiblock *dev, struct request *req)
* flash access anyway.
*/
mutex_lock(&dev->dev_mutex);
- ret = ubiblock_read(dev, req->buffer, sec, len);
+ ret = ubiblock_read(dev, bio_data(req->bio), sec, len);
mutex_unlock(&dev->dev_mutex);
return ret;
@@ -431,9 +431,11 @@ int ubiblock_create(struct ubi_volume_info *vi)
* Create one workqueue per volume (per registered block device).
* Rembember workqueues are cheap, they're not threads.
*/
- dev->wq = alloc_workqueue(gd->disk_name, 0, 0);
- if (!dev->wq)
+ dev->wq = alloc_workqueue("%s", 0, 0, gd->disk_name);
+ if (!dev->wq) {
+ ret = -ENOMEM;
goto out_free_queue;
+ }
INIT_WORK(&dev->work, ubiblock_do_work);
mutex_lock(&devices_mutex);
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index f54562a5998..7646220ca6e 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -731,7 +731,7 @@ static int rename_volumes(struct ubi_device *ubi,
goto out_free;
}
- re->desc = ubi_open_volume(ubi->ubi_num, vol_id, UBI_EXCLUSIVE);
+ re->desc = ubi_open_volume(ubi->ubi_num, vol_id, UBI_READWRITE);
if (IS_ERR(re->desc)) {
err = PTR_ERR(re->desc);
ubi_err("cannot open volume %d, error %d", vol_id, err);
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index c5dad652614..b04e7d05988 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -125,9 +125,9 @@ static struct ubi_ainf_volume *add_vol(struct ubi_attach_info *ai, int vol_id,
parent = *p;
av = rb_entry(parent, struct ubi_ainf_volume, rb);
- if (vol_id > av->vol_id)
+ if (vol_id < av->vol_id)
p = &(*p)->rb_left;
- else if (vol_id > av->vol_id)
+ else
p = &(*p)->rb_right;
}
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 02317c1c023..0f3425dac91 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -671,6 +671,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
+ ubi->free_count--;
+ ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
@@ -684,6 +686,9 @@ int ubi_wl_get_peb(struct ubi_device *ubi)
peb = __wl_get_peb(ubi);
spin_unlock(&ubi->wl_lock);
+ if (peb < 0)
+ return peb;
+
err = ubi_self_check_all_ff(ubi, peb, ubi->vid_hdr_aloffset,
ubi->peb_size - ubi->vid_hdr_aloffset);
if (err) {
@@ -1068,6 +1073,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
/* Give the unused PEB back */
wl_tree_add(e2, &ubi->free);
+ ubi->free_count++;
goto out_cancel;
}
self_check_in_wl_tree(ubi, e1, &ubi->used);